GetImage
从当前图片表单返回 base64 格式的图像。
语法
expression.GetImage();
expression - 表示 ApiPictureForm 类的变量。
参数
此方法没有任何参数。
返回值
示例
此示例展示如何从图片表单获取 base64 格式的图像。
// How to get an image from the picture form.
// Get the image of the picture form and display it in the document.
let doc = Api.GetDocument();
let pictureForm = Api.CreatePictureForm({"key": "Personal information", "tip": "Upload your photo", "required": true, "placeholder": "Photo", "scaleFlag": "tooBig", "lockAspectRatio": true, "respectBorders": false, "shiftX": 50, "shiftY": 50});
let paragraph = doc.GetElement(0);
paragraph.AddElement(pictureForm);
pictureForm.SetImage("https://static.onlyoffice.com/assets/docs/samples/img/onlyoffice_logo.png", Api.MillimetersToEmus(70), Api.MillimetersToEmus(80));
let base64img = pictureForm.GetImage();
let drawing = Api.CreateImage(base64img, 60 * 36000, 35 * 36000);
paragraph.AddDrawing(drawing);